JFFS2 wrong data CRC message
dwmw2 at infradead.org
Wed May 2 08:23:24 EDT 2007
On Wed, 2007-05-02 at 12:19 +0300, Adrian Hunter wrote:
> Can someone explain why this message is not an error?
> JFFS2 notice: (17573) read_dnode: wrong data CRC in data node at
> 0x07e85800: read 0x86c6656c, calculated 0xaf4f2bc5.
Because it's almost certainly harmless. It usually just means that you
rebooted or reset without cleanly unmounting -- and thus without the
writebuffer getting flushed to finish the node it was writing at the
time. So the data CRC fails, and the node is ignored.
More information about the linux-mtd